[OpenLayers-Dev] allOverlays question

[bartvde at osgis.nl]

Hi Eric,

I've opened up a ticket for Format.WMC so we don't forget about this good
discussion (thanks!).

http://trac.openlayers.org/ticket/2579#preview

Best regards,
Bart

> On Tue, Apr 13, 2010 at 10:47 AM,  <bartvde at osgis.nl> wrote:
>> Hi Eric,
>>
>> my map definition has the following set:
>>
>> var map = new OpenLayers.Map({
>>  fractionalZoom: true,
>>  maxResolution: GeoServices.MapMaxResolution,
>>  projection: GeoServices.MapProjection,
>>  units: GeoServices.MapUnits,
>>  allOverlays: true,
>>  maxExtent: GeoServices.MapMaxExtent
>> });
>>
>> However, since my layers come from a Web Map Context (WMC) document, it
>> always has numZoomLevels set in the Extension:
>>
>>      <Extension>
>>        <ol:maxExtent xmlns:ol="http://openlayers.org/context"
>> minx="0.000000000" miny="300000.0000" maxx="300000.0000"
>> maxy="625000.0000"/>
>>        <ol:transparent
>> xmlns:ol="http://openlayers.org/context">TRUE</ol:transparent>
>>        <ol:numZoomLevels
>> xmlns:ol="http://openlayers.org/context">18</ol:numZoomLevels>
>>        <ol:units xmlns:ol="http://openlayers.org/context">m</ol:units>
>>        <ol:isBaseLayer
>> xmlns:ol="http://openlayers.org/context">false</ol:isBaseLayer>
>>        <ol:displayInLayerSwitcher
>> xmlns:ol="http://openlayers.org/context">true</ol:displayInLayerSwitcher>
>>        <ol:singleTile
>> xmlns:ol="http://openlayers.org/context">true</ol:singleTile>
>>      </Extension>
>>
>> So I guess this won't work for me?
>
>
> I was hoping you could override options read from the WMC doc by
> setting layerOptions in the WMC formation options, but applyDefaults
> is used there so overriding isn't possible.
>
> Or maybe layerToContext shouldn't set layer.numZoomLevels in the
> context if layer.options.numZoomLevels is null.
>
>
>
>
> --
> Eric Lemoine
>
> Camptocamp France SAS
> Savoie Technolac, BP 352
> 73377 Le Bourget du Lac, Cedex
>
> Tel : 00 33 4 79 44 44 96
> Mail : eric.lemoine at camptocamp.com
> http://www.camptocamp.com
>